Dual voltage smart trickle charger/maintainer ensures that the battery is kept fully charged and ready-to-use for extended periods of time. Clear, easy-to-read LED status lights indicate the current charging or ‘float’ mode. Heavy-duty case with simple controls. Charges, EFB and AGM/GEL (stop/start) and conventional lead acid batteries. Inbuilt reverse polarity protection. Supplied with SAE “quick” connectors on leads and battery terminal eyelets.